<!DOCTYPE html> 
<html lang="en"> 
<head> 
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0" charset="UTF-8" />
    <title>任务管理器监控内存变化</title> 
</head> 
<body>
    <button id="btn">
        Add
    </button>
<script type="text/javascript">
    const arrList = []

    function test(){
        for(let i = 0;i < 100000;i++){
            document.body.appendChild(document.createElement('p'))
        }
        arrList.push(new Array(100000).join('x'))
    }
    document.getElementById('btn').addEventListener('click',test)
</script> 
</body> 
</html>